updated a view for settings controller

code style change in sessions_controller

added comments to home_controller, awaiting discussion

updated contacts_controller

removed organisation_users controller as duplicate from users controller

updated some of the answers structure, commented for future updates

finished update of token_permission_types_controller

final tweks to ensure all migrations happen together

added Gemfile with new gem flag_shih_tzu

replaced plan roles with bitflags

removed organisation_types and replaced with bitflags

updates so that a user can log into the site \n updated application_controller, user model, registrations edit view, and layouts branding

removed version and updated users_roles to users_perms

made necissary changes to allow the app to display the splash/login screen

replaces Organisation. with Org. in all files

updated theme and user models's associations

updated data migration to not over-write organisation_id for templates with nil

updated models for role, section, and suggested answer

updated question_format and roles models

updated relations in question model

changed has_one to belongs_to in new_plans -> templates relationship

updated roles to perms as per renamed table

added new_plans relation to users through roles

added users to new_plan relationships

began changing models to reflect the new model names and relationships, additionally deleting some old/unused models which no longer apply in the new schema.

removed unused models

updated removing_intermediary_tables to remove some other unused tables

Merge branch 'final_schema' of https://github.com/DigitalCurationCentre/roadmap into final_schema

updated schema

added migration to make a many to one relationship guidances > guidance_groups, additionally, removed the project groups and projects tables